CN203083404U - Flue gas waste heat recycling heat exchanger - Google Patents
Flue gas waste heat recycling heat exchanger Download PDFInfo
- Publication number
- CN203083404U CN203083404U CN 201220187929 CN201220187929U CN203083404U CN 203083404 U CN203083404 U CN 203083404U CN 201220187929 CN201220187929 CN 201220187929 CN 201220187929 U CN201220187929 U CN 201220187929U CN 203083404 U CN203083404 U CN 203083404U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- tube
- flue gas
- waste heat
- exchanger tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a flue gas waste heat recycling heat exchanger which comprises the following components: a flue gas inlet, a flue gas outlet, a waste heat recycling fluid inlet, a waste heat recycling outlet, heat exchange tubes, a tube board, a sealed box and an external wall. The heat exchange tube has a multi-channel structure which is provided with 2-4 elliptical or flat circulation channels through machining. The elliptical or flat circulation channels in a same heat exchange tube are separated to individual channels by in-tube projected ribs which are formed through squeezing and denting of the heat exchange tube. The heat exchange tubes are separately arranged in the horizontal direction and the vertical direction. The distance between the external walls of two adjacent heat exchange tubes in the horizontal direction is 1-10 millimeters, and the distance in the vertical direction is 3-10 millimeters. The multi-channel heat exchange tube structure of the flue gas waste heat recycling heat exchanger has the following advantages: improving heat exchange between flue gas and in-tube heat recycling fluid, improving flue gas waste heat recycling efficiency, reducing volume of the waste heat recycling device, reducing manufacturing cost, and overcoming the defects of low heat exchange efficiency and large volume in the flue gas waste heat recycling heat tube or finned tube.
Description
Technical field
The utility model relates to waste heat recovery heat transmission equipment and technical field, specifically is meant a kind of flue gas waste heat recovery heat exchanger.
Background technology
Energy-saving and emission-reduction are important decision of Chinese national economy development, one of emphasis that also energy-saving and emission-reduction is developed as China's energy strategy in the medium-term and long-term development planning outline of the energy that country formulates.China's utilization efficiency of energy and international most advanced level have a long way to go, and cause that the low reason of efficiency of energy utilization comprises mainly that the thermal power transfer equipment technology falls behind, used heat and UTILIZATION OF VESIDUAL HEAT IN efficient are low etc.
Overwhelming majority industrial process and civilian Gas appliance etc. all are that the form with heat is consuming a large amount of energy, and the energy that is lost to environment with the waste heat form accounts for more than 50% of industrial total energy consumption.China has the industrial exhaust heat utilization to be recycled that is equivalent to more than 5,000 ten thousand tons of standard coals every year approximately according to statistics.In addition, these waste heats directly are discharged in the environment, have not only wasted valuable energy resources in vain, and waste heat carrier and contaminants associated discharging thereof also bring the serious environmental influence.Yet because the complexity of smoke components and gas converting heat efficient is low, the recycling difficulty of this part waste heat is also relatively large.At present, general common finned tube exchanger and the heat exchange of heat pipe of adopting reclaims this part of waste heat in the industry.Common finned tube exchanger is that the sheet metal with definite shape is nested on the common metal pipe, and it is more fastening perhaps to adopt the mode of ratio-frequency welding and immersed solder that it is connected with metal tube.The shortcoming of this mode is to have certain thermal contact resistance between fin and the heat exchanger tube, influences heat exchange efficiency, uses a large amount of sheet metals simultaneously, has increased the consumption of material, also makes the pressure drop of heat transmission equipment increase, and the corrosion resistance of equipment reduces.Though heat exchange of heat pipe has good corrosion resistance, total coefficient of heat transfer is low, and equipment volume is huge, and manufacturing cost is higher.
The utility model content
The purpose of this utility model provides a kind of flue gas waste heat recovery heat exchanger, to overcome defectives such as existing flue gas waste heat recovery heat pipe commonly used or finned tube exchanger efficient are low, bulky.
The utility model utilizes ellipticity or flat multi-channel structure heat exchanger tube not only to improve flue gas and heat exchanger tube surface contact area in the unit volume, and pushed the thermal boundary layer of tube fluid, make to be heated fluid temperature gradient in the pipe and to concentrate near wall and distribute more evenly, make heat exchanger become more compact.Simultaneously, flue gas produces certain barometric gradient horizontal skimming over when it has ripple surperficial, has improved the turbulent extent of flue gas, has strengthened heat transfer, thereby has improved the efficient of flue gas waste heat recovery.
The utility model purpose is achieved through the following technical solutions:
A kind of flue gas waste heat recovery heat exchanger comprises gas approach, exhanst gas outlet, waste heat recovery fluid inlet, waste heat recovery fluid issuing, heat exchanger tube, tube sheet, joint sealing and outer wall; Be connected with two tube sheets respectively, two tube sheets are positioned at two joint sealing inboards; Two ends, the many heat exchanger tube left and right sides are communicated with joint sealing through two tube sheets respectively, two joint sealings are cavity structure, be provided with dividing plate in joint sealing, dividing plate is partitioned into the cavity of a plurality of sealings with joint sealing, and joint sealing top and bottom are respectively equipped with waste heat recovery fluid inlet and waste heat recovery fluid issuing; Described heat exchanger tube is copper tube or stainless steel tube, form the multi-channel structure with 2-4 ellipticity or flat circulation passage through machining, ellipticity in the same heat exchanger tube or flat circulation passage are pushed by heat exchanger tube that fin is separated into independent passage in the pipe that is recessed to form; Described heat exchanger tube is spaced in the horizontal and vertical directions, adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be the 1-10 millimeter, spacing in vertical direction is the 3-10 millimeter.
For further realizing the utility model purpose, described heat exchanger tube is preferably stainless steel tube, forms the multi-channel structure with 4 ellipticity circulation passages through machining.
In the described heat exchanger tube adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be preferably 2 millimeters, spacing in vertical direction is preferably 5 millimeters.
Described heat exchanger tube is preferably stainless steel tube, forms the multi-channel structure with 2 flat circulation passages through machining.
In the described heat exchanger tube adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be 2 millimeters, spacing in vertical direction is 5 millimeters.
Preferably between described joint sealing and the tube sheet adopt bolt to be connected and seal with sealing ring.
Waste heat recovery fluid described in the utility model can be that life is with the various liquid materials that need in hot water and the industrial process to heat etc.
Operation principle of the present utility model is: waste heat flue gas is entered by smoke inlet, the heat exchanger channels of heat exchanger tube outer wall, tube sheet and the heat-exchanger rig wall formation of flowing through, and carry out heat exchange with the wall of waste heat recovery fluid by heat exchanger tube in the heat exchanger tube, flue-gas temperature reduces, and is discharged by exhanst gas outlet; The waste heat recovery fluid enters bobbin carriage by its inlet, under the effect of two bobbin carriage internal partitions, snakelike pipe internal channel by each row's heat exchanger tube, and carry out heat exchange with the wall of the outer waste heat flue gas of heat exchanger tube by heat exchanger tube, the waste heat recovery fluid temperature (F.T.) raises, and is discharged by its outlet.
The utility model compared with prior art has the following advantages and effect:
1. the utility model adopts industrial typical circular heat exchange metal tube to manufacture many ellipticities or flat multi-channel structure through technologies such as machining extruding, can make and be heated even fluid distribution in the pipe, thermograde concentrates near heat exchange avoids, flue gas is then in the outside and oval or flat-shaped multichannel corrugated surface perpendicular flow, produce certain barometric gradient, strengthen the turbulent flow of flue gas, improve heat exchange efficiency.Compare with shape tube heat exchangers such as common pipe, elliptical tube and flat tubes simultaneously, utilize ellipticity or flat multi-channel structure heat exchanger tube can make interior flue gas of unit volume and heat exchanger tube surface contact area improve more than 1 times.The feasible characteristics that the utlity model has coefficient of heat transfer height, compact conformation.
2. manufacturing of the present utility model and technology especially are suitable for metal materials such as corrosion resistant stainless steel, steel alloy, titanium steel, overcome defectives such as the existing poor corrosion resistance of common finned tube exchanger or heat exchange of heat pipe or total coefficient of heat transfer are low.When guaranteeing its efficient waste heat recovery efficient, also can improve safety, the feature of environmental protection of heat-exchanger rig, reduce production costs.
Description of drawings
Fig. 1 is the utility model close-coupled waste heat recovery heat-exchanger rig structural representation.
Fig. 2 is two kinds of heat exchange tube structure schematic views of the utility model.
Fig. 3-the 1st, the utility model have the tube plate structure schematic diagram in ellipticity hole.
Fig. 3-the 2nd, the utility model have the tube plate structure schematic diagram in flat hole.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of flue gas waste heat recovery heat exchanger comprises gas approach 7, exhanst gas outlet 1, waste heat recovery fluid inlet 2, waste heat recovery fluid issuing 6, heat exchanger tube 3, tube sheet 4, joint sealing 5 and outer wall 8; Two joint sealings 5 are connected with two blocks of pipe 4 plates respectively, and two blocks of pipe 4 plates are positioned at two joint sealing 5 inboards; Two ends, many heat exchanger tube 3 left and right sides are communicated with joint sealing 5 through two tube sheets 4 respectively, all proper alignment and two ends are welded on respectively on two tube sheets 4 each heat exchanger tube 3 at a certain distance in the horizontal and vertical directions, adjacent two heat exchanger tubes, 3 outer walls in the horizontal direction between the distance be the 1-10 millimeter, spacing in vertical direction is the 3-10 millimeter.The arrangement mode of tube sheet and heat exchanger tube is corresponding to have and heat exchanger tube cross sectional shape and the identical hole of size, and the heat exchanger tube two ends can be passed these Kong Bingyu tube sheets and weld.The joint sealing 5 in two tube sheets, 4 outsides is a cavity structure, in joint sealing 5, be provided with dividing plate 9, dividing plate 9 is partitioned into joint sealing 5 cavity of a plurality of sealings, adopt bolt to be connected between joint sealing 5 and the tube sheet 4 and seal with sealing ring, joint sealing 5 tops and bottom are respectively equipped with waste heat recovery fluid inlet 2 and waste heat recovery fluid issuing 6, dividing plate 9 flows to a row or multi-row heat-transfer pipe inner fluid and is divided into some groups, and the direction of flow in the two adjacent groups heat-transfer pipe is opposite.The front and back end of many heat exchanger tubes 3 and upper and lower side are outer wall 8, and outer wall 8 is formed cavity structure with tube sheet 4, and heat exchanger tube 3 is arranged in this cavity structure, and the upper and lower side of cavity structure is respectively equipped with exhanst gas outlet 1 and gas approach 7; The outer wall of heat exchanger tube 3, tube sheet 4 and heat-exchanger rig outer wall 8 are formed the heat exchanger channels of flue gases; Heat exchanger tube 3 inwalls, tube sheet 4 and joint sealing 5 are formed the heat exchanger channels of hot water.
As shown in Figure 2, heat exchanger tube is copper tube or stainless steel tube, form the multi-channel structure with 2-4 ellipticity or flat circulation passage through machining, fin is separated into independent passage in the pipe that ellipticity that same heat exchanger tube is interior or flat circulation passage are recessed to form because of extruding by heat exchanger tube.The heat exchanger tube of this multi-channel structure with 2-4 ellipticity or flat circulation passage through being machined into, not only overcome the low excessively defective of rate of flow of fluid in the former heat exchange tube, make the delay thermal boundary layer of fluid be compressed again, the thickness attenuation of retention layer has improved the convection transfer rate of tube fluid; Simultaneously, spacing between adjacent two heat exchanger tubes, 3 outer walls is according to the different of physical parameters such as the coercibility content of material of flue gas, density, thermal conductivity factor and flow velocity and be designed to the 1-10 millimeter, effectively utilized the corrugated channel structure between each heat exchanger tube outer wall, promote the disturbance of flue gas retention layer, improve the convection transfer rate of flue gas.The existing fin-tube type flue gas waste heat recovery apparatus that generally adopts, its fin is low because of the existence heat exchange efficiency of thermal contact resistance, metal fin has consumed more materials, pressure loss is big, make its make and operating cost all than higher.Adopt its process of close-coupled flue gas waste heat recovery apparatus of multi-channel structure heat exchanger tube simple, do not need to consume extra metal material, not only have very high heat exchange efficiency but also can save and make and operating cost.
Shown in Fig. 3-1 and 3-2, two tube sheets have and heat exchanger tube cross sectional shape and identical ellipticity or the flat hole of size, and the heat exchanger tube two ends can be passed these Kong Bingyu tube sheets and weld.
Embodiment 1
The flue gas waste heat recovery heat exchanger is used for gas heater, reclaims the gas heater fume afterheat.Wherein, to be the method that adopts the mechanical presses moulding be processed into the multi-channel structure with 3 ellipticity circulation passages with the smooth stainless pipe of 12mm diameter with heat exchanger tube, ellipticity circulation passage in the same heat exchanger tube is separated into 3 independent passages by heat exchanger tube because of 2 groups of corresponding fins that extruding is recessed to form, the major diameter of processing back heat exchanger tube is 16mm, and minor axis is 6mm.Adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be 2 millimeters, spacing in vertical direction is 5 millimeters.By butt-joint make in the pipe that heat exchanger tube is recessed to form because of extruding between 2 groups of corresponding fins because of moment heavy current produce action of high temperature and fuse, further improve the mechanical strength of heat exchanger tube.
Flue gas in the gas heater is through fuel gas buring, and with the cold water heat exchange after, temperature is reduced to 160 ℃, enter the flue gas waste heat recovery heat-exchanger rig by gas approach 7, the heat exchanger channels of heat exchanger tube 3 outer walls, tube sheet 4 and heat-exchanger rig wall 8 formations of flowing through, and carry out heat exchange by wall with water in the heat exchanger tube 3, and flue-gas temperature is reduced to 60-80 ℃ by 160 ℃, and flue gas is finally discharged by exhanst gas outlet 1; The hot water that is risen to 38-42 ℃ by the combustion gas heating-up temperature enters joint sealing 5 by waste heat recovery fluid inlet 2, under the effect of two joint sealing 5 internal partitions 9, snakelike (collapsible) is by the pipe internal channel of each row's heat exchanger tube 3, and carry out heat exchange by the heat exchanger tube wall with the outer flue gas of heat exchanger tube 3, water temperature is increased to 42-48 ℃, and (this temperature range is to change to some extent, generally be higher than 42 ℃, there are 42 ℃ even enter the water of joint sealing 5 by waste heat recovery fluid inlet 2, be maintained to the water that flows out by waste heat recovery fluid issuing 6 and also have 42 ℃, also need to carry out heat exchange), and flow out by waste heat recovery fluid issuing 6 and to use for daily life.It is as shown in table 1 that the flue gas waste heat recovery heat exchanger of present embodiment substitutes the smoke gas afterheat heat exchanger effect that has the 12U of Guangdong Wanjiale Gas Burning Appliance Co., Ltd. series condensed type combustion gas water heater now.
Table 1
Embryonic tube described in the table 1 is the former pipe of processing the utility model heat exchanger tube; Former heat exchanger size (length * wide * height) is 340 * 100 * 100mm, adopting heat exchanger tube quantity is 25, existing heat exchanger size is 170 * 76 * 65mm, adopting heat exchanger tube quantity is 30, and the heat exchanger tube surface area that can calculate two heat exchangers according to known heat exchanger tube radius and quantity is respectively 0.31 and 0.19 square metre.Because the flow and the out temperature of hot water and flue gas can be measured, and are easy to obtain the coefficient of heat transfer according to the Calculation of Heat Transfer formula.The heat exchanger cost comprises material cost and processing cost, presses heat exchanger and consumes the stainless steel material per kilogram by 30 yuan of calculating, and the about 40 yuan/platform of the common heat exchanger of processing cost, about 4 kilograms of consumptive material, cost is about 160 yuan/platform.The processing cost of the utility model heat exchanger tube and heat exchanger will increase about 20 yuan/platform, and consumptive material is saved about 1 kilogram, thereby about 150 yuan of cost.
Employing the utlity model has the heat exchanger tube of 3 ellipticity channel designs, flow rate of hot water in the pipe has improved more than 2 times than former heat exchanger tube, elliptical tube or flat tube than common plane of bending are compared the flow velocity raising more than 1 times, the delay thermal boundary layer of hot water in the pipe is compressed, the thickness attenuation of retention layer has improved the convection transfer rate of hot water in the pipe; Simultaneously, because the outer flue gas flow rate of pipe is higher and contain the water vapour that major part can be condensed, the delay thermal boundary layer of fluid is about 3mm, and with adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be 2 millimeters, spacing in vertical direction is 5 millimeters, can effectively utilize the wide corrugated channel structure of about 2mm between each heat exchanger tube outer wall, promote the disturbance of flue gas retention layer, improve the convection transfer rate of flue gas.
As can be seen from Table 1, satisfy the requirement of condensed type combustion gas water heater country efficiency standard, adopt the utility model to substitute the smoke gas afterheat heat exchanger of existing 12U series condensed type combustion gas water heater, identical as heat exchange tubing with heat exchanger tube embryonic tube caliber, heat exchanger tube surface area in the utility model unit volume is 2.48 times of common heat exchanger, and total coefficient of heat transfer has improved 40-50% than common heat exchanger.Simultaneously, production cost of the present utility model is also low than common heat exchanger.
Embodiment 2
The flue gas waste heat recovery heat exchanger of Fig. 1-3 is used for the petrochemical industry heavy-oil hydrogenation to be reformed, and reclaims heavy-oil hydrogenation reformation high-temperature tail gas waste heat.Enter heat exchanger tube 3 inwalls, tube sheet 4 and joint sealing 5 and form that the waste heat recovery fluid is a naphtha in the heat exchanger channels of fluids.
As shown in Figure 1, the feedstock oil passage in two tube sheets, 4 outsides adopts the joint sealing structure, in joint sealing 5, be provided with dividing plate 9, dividing plate 9 is divided into some groups with a row or multi-row heat-transfer pipe 3, adopt bolt to be connected between joint sealing 5 and the tube sheet 4 and seal, leave waste heat recovery fluid inlet 2 and waste heat recovery fluid issuing 6 on the joint sealing 5 with sealing ring.
Present embodiment, to be the method that adopts the mechanical presses moulding be processed into the multi-channel structure with 2 flat circulation passages with the smooth copper tube of 25mm diameter with the heat exchanger tube of petrochemical industry heavy-oil hydrogenation reformation high-temperature tail gas waste-heat recovery device, flat circulation passage in the same heat exchanger tube is separated into 2 independent passages by heat exchanger tube because of 2 groups of corresponding fins that extruding is recessed to form, the major diameter of processing back heat exchanger tube is about 36mm, and minor axis is about 8mm.Adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be 10 millimeters, spacing in vertical direction is 10 millimeters.
200 ℃ of high-temperature tail gas are entered by gas approach 7, the heat exchanger channels of heat exchanger tube 3 outer walls, tube sheet 4 and heat-exchanger rig wall 8 formations of flowing through, and carrying out heat exchange by wall with naphtha in the heat exchanger tube 3, exhaust temperature is reduced to 110-120 ℃, is discharged by exhanst gas outlet 1; Temperature is that 20-30 ℃ of naphtha enters joint sealing 5 by waste heat recovery fluid inlet 1, under the effect of two joint sealing 5 internal partitions 9, snakelike pipe internal channel by each row's heat exchanger tube 3, and carry out heat exchange by wall with the outer high-temperature tail gas of heat exchanger tube 3, the naphtha temperature is increased to 80-90 ℃, is discharged by waste heat recovery fluid issuing 6 and enters follow-up treatment process.Present embodiment and the Guilin common smoke gas afterheat heat exchanger effect contrast of the HES600-0.6-210-6/25-4 situation that refrigeration plant Co., Ltd produces of newly planting is as shown in table 2.
Table 2
Table 1 Central Plains heat exchanger size (length * wide * height) is 2400 * 1000 * 1250mm, adopting heat exchanger tube quantity is 1120, existing heat exchanger size is 800 * 800 * 600mm, adopting heat exchanger tube quantity is 1440, and the heat exchanger tube surface area that can calculate two heat exchangers according to known heat exchanger tube radius and quantity is respectively 210 and 90 square metres.Because the flow and the out temperature of naphtha and high-temperature tail gas can be measured, and are easy to obtain the coefficient of heat transfer according to the Calculation of Heat Transfer formula.The common heat exchanger cost of industry calculates by 800 yuan of/square metre heat exchange areas, is about 168000 yuan/platform.The cost of the utility model heat exchanger tube and heat exchanger calculates by 1200 yuan of/square metre heat exchange areas, about 108000 yuan/platform.
Employing the utlity model has the heat exchanger tube of 2 flat channel designs, stone brain in the pipe has been improved more than 3 times by the former heat exchanger tube of velocity ratio, elliptical tube or flat tube than common plane of bending are compared the flow velocity raising more than 1.5 times, the delay thermal boundary layer of naphtha in the pipe is compressed, the thickness attenuation of retention layer has improved the convection transfer rate of naphtha in the pipe; Simultaneously, because the flow velocity of the outer high-temperature tail gas of pipe is not high and contain and can congeal into part less, the delay thermal boundary layer of high-temperature tail gas is about 6-8mm, and with adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be 10 millimeters, spacing in vertical direction is 10 millimeters, can effectively utilize the wide corrugated channel structure of about 5mm between each heat exchanger tube outer wall, promote the disturbance of high-temperature tail gas retention layer, improve the convection transfer rate of high-temperature tail gas.
As can be seen from the above table, adopt the utility model to substitute common smoke gas afterheat heat exchanger, identical with heat exchanger tube embryonic tube caliber as heat exchange tubing, the heat exchanger tube surface area in the utility model unit volume is 3.32 times of common heat exchanger, and total coefficient of heat transfer has improved 140-230% than common heat exchanger.Simultaneously, production cost of the present utility model also reduces greatly than common heat exchanger.
Claims (5)
1. a flue gas waste heat recovery heat exchanger comprises gas approach, exhanst gas outlet, waste heat recovery fluid inlet, waste heat recovery fluid issuing, heat exchanger tube, tube sheet, joint sealing and outer wall; Two joint sealings are connected with two tube sheets respectively, and two tube sheets are positioned at two joint sealing inboards; Two ends, the many heat exchanger tube left and right sides are communicated with joint sealing through two tube sheets respectively, two joint sealings are cavity structure, be provided with dividing plate in joint sealing, dividing plate is partitioned into the cavity of a plurality of sealings with joint sealing, and joint sealing top and bottom are respectively equipped with waste heat recovery fluid inlet and waste heat recovery fluid issuing; It is characterized in that: described heat exchanger tube is copper tube or stainless steel tube, form the multi-channel structure with 2-4 ellipticity or flat circulation passage through machining, ellipticity in the same heat exchanger tube or flat circulation passage are pushed by heat exchanger tube that fin is separated into independent passage in the pipe that is recessed to form; Described heat exchanger tube is spaced in the horizontal and vertical directions, adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be the 1-10 millimeter, spacing in vertical direction is the 3-10 millimeter.
2. flue gas waste heat recovery heat exchanger according to claim 1 is characterized in that: described heat exchanger tube is a stainless steel tube, forms the multi-channel structure with 4 ellipticity circulation passages through machining.
3. flue gas waste heat recovery heat exchanger according to claim 2 is characterized in that: in the described heat exchanger tube adjacent two heat exchanger tube outer walls in the horizontal direction between the distance be 2 millimeters, spacing in vertical direction is 5 millimeters.
4. flue gas waste heat recovery heat exchanger according to claim 1 is characterized in that: described heat exchanger tube is a stainless steel tube, forms the multi-channel structure with 2 flat circulation passages through machining.
5. flue gas waste heat recovery heat exchanger according to claim 1 is characterized in that: adopt bolt to be connected with sealing ring between described joint sealing 5 and the tube sheet 4 and seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187929 CN203083404U (en) | 2012-04-27 | 2012-04-27 | Flue gas waste heat recycling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187929 CN203083404U (en) | 2012-04-27 | 2012-04-27 | Flue gas waste heat recycling heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083404U true CN203083404U (en) | 2013-07-24 |
Family
ID=48829231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220187929 Expired - Fee Related CN203083404U (en) | 2012-04-27 | 2012-04-27 | Flue gas waste heat recycling heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083404U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101235A (en) * | 2014-07-31 | 2014-10-15 | 洛阳明远石化技术有限公司 | Tube-sheet heat exchanger |
| CN105486142A (en) * | 2015-12-11 | 2016-04-13 | 北京三益能环工程技术有限公司 | Oval finned tube type heat exchanger and oval finned tube type intelligent phase-change heat exchange device |
| CN109019511A (en) * | 2018-10-11 | 2018-12-18 | 广东索特能源科技有限公司 | A kind of methane reformer system using SOFC high-temperature flue gas |
| CN112833686A (en) * | 2021-01-05 | 2021-05-25 | 清华大学 | Flat tube fin air-oil heat exchanger suitable for aeroengine |
| CN114705066A (en) * | 2022-01-10 | 2022-07-05 | 东莞富瑟尔科技有限公司 | Slit interlayer type high-efficiency heat exchange device of fluid system and SOFC system |
-
2012
- 2012-04-27 CN CN 201220187929 patent/CN203083404U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101235A (en) * | 2014-07-31 | 2014-10-15 | 洛阳明远石化技术有限公司 | Tube-sheet heat exchanger |
| CN105486142A (en) * | 2015-12-11 | 2016-04-13 | 北京三益能环工程技术有限公司 | Oval finned tube type heat exchanger and oval finned tube type intelligent phase-change heat exchange device |
| CN109019511A (en) * | 2018-10-11 | 2018-12-18 | 广东索特能源科技有限公司 | A kind of methane reformer system using SOFC high-temperature flue gas |
| CN112833686A (en) * | 2021-01-05 | 2021-05-25 | 清华大学 | Flat tube fin air-oil heat exchanger suitable for aeroengine |
| CN114705066A (en) * | 2022-01-10 | 2022-07-05 | 东莞富瑟尔科技有限公司 | Slit interlayer type high-efficiency heat exchange device of fluid system and SOFC system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102636050A (en) | Compact type flue gas waste heat recovery heat exchanger | |
| CN203083404U (en) | Flue gas waste heat recycling heat exchanger | |
| CN204665753U (en) | A kind of reducing flat tube for micro-channel heat exchanger | |
| CN2932273Y (en) | A cold and heat exchanger | |
| CN101245947B (en) | Heat converter of plate-type gas water heater | |
| CN104457345A (en) | Fin plate heat exchanger for condensing waste heat recovery | |
| CN201141740Y (en) | Heat converter of plate-type gas water heater | |
| CN102116591A (en) | Double-face fin plate tube structure for air cooler | |
| CN206601057U (en) | Spiral tube heat exchanger | |
| CN211084569U (en) | Cooling device of biomass boiler | |
| CN107504844A (en) | Efficient corrugated plate type heat exchanger | |
| CN204665982U (en) | A kind of water-cooled shell oil cooler | |
| CN104864600B (en) | A kind of all steel heat exchanger | |
| CN201772789U (en) | Novel highly-efficient heat exchanger | |
| CN203928848U (en) | The condensing heat exchanger of a kind of condensing heat exchange plate and application thereof | |
| CN201583163U (en) | Integral stainless steel finned tube exchanger | |
| CN205279819U (en) | Novel spiral plate type heat exchanger | |
| CN211903822U (en) | Casing pipe wall communicating heat exchanger | |
| CN207976024U (en) | A kind of module steam machine heat exchanger | |
| CN202547470U (en) | All-welded energy-saving heat exchanger plate sheets | |
| CN202928096U (en) | Forcible fin straight pipe condensation and heat supply heat exchanger | |
| CN205027191U (en) | Multiplex matter heat exchanger | |
| CN206847435U (en) | A kind of network pipe type structure heat exchanger | |
| CN206709659U (en) | A kind of shell-and-tube heat exchanger constructional device for lifting heat exchange | |
| CN205079644U (en) | Heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20160427 |